This crazy looking steampunk contraption is a manually operated timer for outdoor lighting.
No. 115 Tork Clock. Made by the Ansonia Clock Co. for Tork Co., single pole, for turning electric lights on and off regularly, 125 volts maximum, 15 amperes maximum current; in an heavy tin case with arched top, painted black and with original Tork Company New York label inside. 9 in. high x 4.5 in. wide x 4 in. deep